BSD 4_3_Net_2 release

[unix-history] / usr / src / sys / kern / uipc_proto.c

diff --git a/usr/src/sys/kern/uipc_proto.c b/usr/src/sys/kern/uipc_proto.c
index c0e93e2..fd1dbae 100644 (file)
--- a/usr/src/sys/kern/uipc_proto.c
+++ b/usr/src/sys/kern/uipc_proto.c
@@ -1,141 +1,72 @@
-/*     uipc_proto.c    4.8     81/11/26        */
-
-#include "../h/param.h"
-#include "../h/socket.h"
-#include "../h/protosw.h"
-#include "../h/mbuf.h"
-#include "../net/in.h"
-#include "../net/in_systm.h"
-
-/*
- * Protocol configuration table and routines to search it.
+/*-
+ * Copyright (c) 1982, 1986 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.

  *
  *

- * SHOULD INCLUDE A HEADER FILE GIVING DESIRED PROTOCOLS
+ *     @(#)uipc_proto.c        7.6 (Berkeley) 5/9/91

  */
 
  */
 

-/*
- * Local protocol handler.
- */
-int    piusrreq();
+#include "param.h"
+#include "socket.h"
+#include "protosw.h"
+#include "domain.h"
+#include "mbuf.h"

 
 /*
 
 /*

- * TCP/IP protocol family: IP, ICMP, UDP, TCP.
+ * Definitions of protocols supported in the UNIX domain.

  */
  */

-int    ip_output();
-int    ip_init(),ip_slowtimo(),ip_drain();
-int    icmp_input();
-int    icmp_drain();
-int    udp_input(),udp_ctlinput();
-int    udp_usrreq(),udp_sense();
-int    udp_init();
-int    tcp_input(),tcp_ctlinput();
-int    tcp_usrreq(),tcp_sense();
-int    tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain();
-int    rip_input(),rip_ctlinput();
-int    rip_usrreq(),rip_sense();

 
 

-struct protosw protosw[] = {
-{ SOCK_STREAM, PF_LOCAL,       0,              PR_CONNREQUIRED,
-  0,           0,              0,              0,
-  piusrreq,    0,              0,
-  0,           0,              0,              0,
-},
-{ SOCK_DGRAM,  PF_LOCAL,       0,              PR_ATOMIC|PR_ADDR,
-  0,           0,              0,              0,
-  piusrreq,    0,              0,
-  0,           0,              0,              0,
-},
-{ SOCK_RDM,    PF_LOCAL,       0,              PR_ATOMIC|PR_ADDR,
+int    uipc_usrreq();
+int    raw_init(),raw_usrreq(),raw_input(),raw_ctlinput();
+extern struct domain unixdomain;               /* or at least forward */
+
+struct protosw unixsw[] = {
+{ SOCK_STREAM, &unixdomain,    0,      PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS,

   0,           0,              0,              0,
   0,           0,              0,              0,

-  piusrreq,    0,              0,
+  uipc_usrreq,

   0,           0,              0,              0,
 },
   0,           0,              0,              0,
 },

-{ SOCK_RAW,    PF_LOCAL,       0,              PR_ATOMIC|PR_ADDR,
+{ SOCK_DGRAM,  &unixdomain,    0,              PR_ATOMIC|PR_ADDR|PR_RIGHTS,

   0,           0,              0,              0,
   0,           0,              0,              0,

-  piusrreq,    0,              0,
+  uipc_usrreq,

   0,           0,              0,              0,
 },
 { 0,           0,              0,              0,
   0,           0,              0,              0,
 },
 { 0,           0,              0,              0,

-  0,           ip_output,      0,              0,
-  0,           0,              0,
-  ip_init,     0,              ip_slowtimo,    ip_drain,
-},
-{ 0,           0,              IPPROTO_ICMP,   0,
-  icmp_input,  0,              0,              0,
-  0,           0,              0,
-  0,           0,              0,              icmp_drain,
-},
-{ SOCK_DGRAM,  PF_INET,        IPPROTO_UDP,    PR_ATOMIC|PR_ADDR,
-  udp_input,   0,              udp_ctlinput,   0,
-  udp_usrreq,  udp_sense,      MLEN,
-  udp_init,    0,              0,              0,
-},
-{ SOCK_STREAM, PF_INET,        IPPROTO_TCP,    PR_CONNREQUIRED|PR_WANTRCVD,
-  tcp_input,   0,              tcp_ctlinput,   0,
-  tcp_usrreq,  tcp_sense,      MLEN,
-  tcp_init,    tcp_fasttimo,   tcp_slowtimo,   tcp_drain,
-},
-{ SOCK_RAW,    PF_INET,        IPPROTO_RAW,    PR_ATOMIC|PR_ADDR,
-  rip_input,   0,              rip_ctlinput,   0,
-  rip_usrreq,  rip_sense,      MLEN,
-  0,           0,              0,              0,
+  raw_input,   0,              raw_ctlinput,   0,
+  raw_usrreq,
+  raw_init,    0,              0,              0,

 }
 };
 
 }
 };
 

-#define        NPROTOSW        (sizeof(protosw) / sizeof(protosw[0]))
+int    unp_externalize(), unp_dispose();

 
 

-struct protosw *protoswLAST = &protosw[NPROTOSW-1];
-
-/*
- * Operations on protocol table and protocol families.
- */
-
-/*
- * Initialize all protocols.
- */
-pfinit()
-{
-       register struct protosw *pr;
-
-COUNT(PFINIT);
-       for (pr = protoswLAST; pr >= protosw; pr--)
-               if (pr->pr_init)
-                       (*pr->pr_init)();
-}
-
-/*
- * Find a standard protocol in a protocol family
- * of a specific type.
- */
-struct protosw *
-pffindtype(family, type)
-       int family, type;
-{
-       register struct protosw *pr;
-
-COUNT(PFFINDTYPE);
-       if (family == 0)
-               return (0);
-       for (pr = protosw; pr <= protoswLAST; pr++)
-               if (pr->pr_family == family && pr->pr_type == type)
-                       return (pr);
-       return (0);
-}
-
-/*
- * Find a specified protocol in a specified protocol family.
- */
-struct protosw *
-pffindproto(family, protocol)
-       int family, protocol;
-{
-       register struct protosw *pr;
-
-COUNT(PFFINDPROTO);
-       if (family == 0)
-               return (0);
-       for (pr = protosw; pr <= protoswLAST; pr++)
-               if (pr->pr_family == family && pr->pr_protocol == protocol)
-                       return (pr);
-       return (0);
-}
+struct domain unixdomain =
+    { AF_UNIX, "unix", 0, unp_externalize, unp_dispose,
+      unixsw, &unixsw[sizeof(unixsw)/sizeof(unixsw[0])] };